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468 lines
14 KiB
468 lines
14 KiB
2 years ago
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<?php
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/**
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* OpenDocument Spreadsheet import plugin for phpMyAdmin
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*
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* @todo Pretty much everything
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* @todo Importing of accented characters seems to fail
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Plugins\Import;
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use PhpMyAdmin\File;
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use PhpMyAdmin\Import;
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use PhpMyAdmin\Message;
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use PhpMyAdmin\Plugins\ImportPlugin;
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use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyMainGroup;
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use PhpMyAdmin\Properties\Options\Groups\OptionsPropertyRootGroup;
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use PhpMyAdmin\Properties\Options\Items\BoolPropertyItem;
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use PhpMyAdmin\Properties\Plugins\ImportPluginProperties;
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use SimpleXMLElement;
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use function __;
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use function count;
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use function implode;
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use function libxml_disable_entity_loader;
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use function rtrim;
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use function simplexml_load_string;
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use function strcmp;
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use function strlen;
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use const LIBXML_COMPACT;
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use const PHP_VERSION_ID;
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/**
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* Handles the import for the ODS format
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*/
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class ImportOds extends ImportPlugin
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{
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/**
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* @psalm-return non-empty-lowercase-string
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*/
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public function getName(): string
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{
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return 'ods';
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}
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protected function setProperties(): ImportPluginProperties
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{
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$importPluginProperties = new ImportPluginProperties();
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$importPluginProperties->setText('OpenDocument Spreadsheet');
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$importPluginProperties->setExtension('ods');
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$importPluginProperties->setOptionsText(__('Options'));
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// create the root group that will be the options field for
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// $importPluginProperties
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// this will be shown as "Format specific options"
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$importSpecificOptions = new OptionsPropertyRootGroup('Format Specific Options');
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// general options main group
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$generalOptions = new OptionsPropertyMainGroup('general_opts');
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// create primary items and add them to the group
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$leaf = new BoolPropertyItem(
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'col_names',
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__(
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'The first line of the file contains the table column names'
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. ' <i>(if this is unchecked, the first line will become part'
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. ' of the data)</i>'
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)
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);
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$generalOptions->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'empty_rows',
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__('Do not import empty rows')
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);
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$generalOptions->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'recognize_percentages',
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__(
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'Import percentages as proper decimals <i>(ex. 12.00% to .12)</i>'
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)
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);
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$generalOptions->addProperty($leaf);
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$leaf = new BoolPropertyItem(
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'recognize_currency',
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__('Import currencies <i>(ex. $5.00 to 5.00)</i>')
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);
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$generalOptions->addProperty($leaf);
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// add the main group to the root group
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$importSpecificOptions->addProperty($generalOptions);
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// set the options for the import plugin property item
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$importPluginProperties->setOptions($importSpecificOptions);
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return $importPluginProperties;
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}
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/**
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* Handles the whole import logic
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*
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* @param array $sql_data 2-element array with sql data
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*/
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public function doImport(?File $importHandle = null, array &$sql_data = []): void
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{
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global $db, $error, $timeout_passed, $finished;
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$buffer = '';
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/**
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* Read in the file via Import::getNextChunk so that
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* it can process compressed files
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*/
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while (! $finished && ! $error && ! $timeout_passed) {
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$data = $this->import->getNextChunk($importHandle);
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if ($data === false) {
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/* subtract data we didn't handle yet and stop processing */
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$GLOBALS['offset'] -= strlen($buffer);
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break;
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}
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if ($data === true) {
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continue;
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}
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/* Append new data to buffer */
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$buffer .= $data;
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}
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/**
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* Disable loading of external XML entities for PHP versions below 8.0.
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*/
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if (PHP_VERSION_ID < 80000) {
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// phpcs:ignore Generic.PHP.DeprecatedFunctions.Deprecated
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libxml_disable_entity_loader();
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}
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/**
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* Load the XML string
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*
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* The option LIBXML_COMPACT is specified because it can
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* result in increased performance without the need to
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* alter the code in any way. It's basically a freebee.
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*/
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$xml = @simplexml_load_string($buffer, SimpleXMLElement::class, LIBXML_COMPACT);
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unset($buffer);
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if ($xml === false) {
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$sheets = [];
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$GLOBALS['message'] = Message::error(
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__(
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'The XML file specified was either malformed or incomplete. Please correct the issue and try again.'
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)
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);
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$GLOBALS['error'] = true;
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} else {
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/** @var SimpleXMLElement $root */
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$root = $xml->children('office', true)->{'body'}->{'spreadsheet'};
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if (empty($root)) {
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$sheets = [];
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$GLOBALS['message'] = Message::error(
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__('Could not parse OpenDocument Spreadsheet!')
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);
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$GLOBALS['error'] = true;
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} else {
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$sheets = $root->children('table', true);
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}
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}
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[$tables, $rows] = $this->iterateOverTables($sheets);
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/**
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* Bring accumulated rows into the corresponding table
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*/
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$num_tables = count($tables);
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for ($i = 0; $i < $num_tables; ++$i) {
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$num_rows = count($rows);
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for ($j = 0; $j < $num_rows; ++$j) {
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if (strcmp($tables[$i][Import::TBL_NAME], $rows[$j][Import::TBL_NAME])) {
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continue;
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}
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if (! isset($tables[$i][Import::COL_NAMES])) {
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$tables[$i][] = $rows[$j][Import::COL_NAMES];
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}
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$tables[$i][Import::ROWS] = $rows[$j][Import::ROWS];
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}
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}
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/* No longer needed */
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unset($rows);
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/* Obtain the best-fit MySQL types for each column */
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$analyses = [];
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$len = count($tables);
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for ($i = 0; $i < $len; ++$i) {
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$analyses[] = $this->import->analyzeTable($tables[$i]);
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}
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/**
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* string $db_name (no backquotes)
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*
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* array $table = array(table_name, array() column_names, array()() rows)
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* array $tables = array of "$table"s
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*
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* array $analysis = array(array() column_types, array() column_sizes)
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* array $analyses = array of "$analysis"s
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*
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* array $create = array of SQL strings
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*
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* array $options = an associative array of options
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*/
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/* Set database name to the currently selected one, if applicable */
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[$db_name, $options] = $this->getDbnameAndOptions($db, 'ODS_DB');
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/* Non-applicable parameters */
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$create = null;
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/* Created and execute necessary SQL statements from data */
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$this->import->buildSql($db_name, $tables, $analyses, $create, $options, $sql_data);
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unset($tables, $analyses);
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/* Commit any possible data in buffers */
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$this->import->runQuery('', '', $sql_data);
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}
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/**
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* Get value
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*
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* @param SimpleXMLElement $cell_attrs Cell attributes
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* @param SimpleXMLElement $text Texts
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*
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* @return float|string
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*/
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protected function getValue($cell_attrs, $text)
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{
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if (
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isset($_REQUEST['ods_recognize_percentages'])
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&& $_REQUEST['ods_recognize_percentages']
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&& ! strcmp('percentage', (string) $cell_attrs['value-type'])
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) {
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return (float) $cell_attrs['value'];
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}
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if (
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isset($_REQUEST['ods_recognize_currency'])
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&& $_REQUEST['ods_recognize_currency']
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&& ! strcmp('currency', (string) $cell_attrs['value-type'])
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) {
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return (float) $cell_attrs['value'];
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}
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/* We need to concatenate all paragraphs */
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$values = [];
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foreach ($text as $paragraph) {
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// Maybe a text node has the content ? (email, url, ...)
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// Example: <text:a ... xlink:href="mailto:contact@example.org">test@example.fr</text:a>
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$paragraphValue = $paragraph->__toString();
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if ($paragraphValue === '' && isset($paragraph->{'a'})) {
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$values[] = $paragraph->{'a'}->__toString();
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continue;
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}
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$values[] = $paragraphValue;
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}
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return implode("\n", $values);
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}
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private function iterateOverColumns(
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SimpleXMLElement $row,
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bool $col_names_in_first_row,
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array $tempRow,
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array $col_names,
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int $col_count
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): array {
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$cellCount = $row->count();
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$a = 0;
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foreach ($row as $cell) {
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$a++;
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$text = $cell->children('text', true);
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$cell_attrs = $cell->attributes('office', true);
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if ($text->count() != 0) {
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$attr = $cell->attributes('table', true);
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$num_repeat = (int) $attr['number-columns-repeated'];
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$num_iterations = $num_repeat ?: 1;
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for ($k = 0; $k < $num_iterations; $k++) {
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$value = $this->getValue($cell_attrs, $text);
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if (! $col_names_in_first_row) {
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$tempRow[] = $value;
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} else {
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// MySQL column names can't end with a space
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// character.
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$col_names[] = rtrim((string) $value);
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}
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++$col_count;
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}
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continue;
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}
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// skip empty repeats in the last row
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if ($a == $cellCount) {
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continue;
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}
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$attr = $cell->attributes('table', true);
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$num_null = (int) $attr['number-columns-repeated'];
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if ($num_null) {
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if (! $col_names_in_first_row) {
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for ($i = 0; $i < $num_null; ++$i) {
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$tempRow[] = 'NULL';
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++$col_count;
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}
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} else {
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for ($i = 0; $i < $num_null; ++$i) {
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$col_names[] = $this->import->getColumnAlphaName($col_count + 1);
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++$col_count;
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}
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}
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} else {
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if (! $col_names_in_first_row) {
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$tempRow[] = 'NULL';
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} else {
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$col_names[] = $this->import->getColumnAlphaName($col_count + 1);
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}
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++$col_count;
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}
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}
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return [$tempRow, $col_names, $col_count];
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}
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private function iterateOverRows(
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SimpleXMLElement $sheet,
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bool $col_names_in_first_row,
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array $tempRow,
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array $col_names,
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int $col_count,
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int $max_cols,
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array $tempRows
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): array {
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foreach ($sheet as $row) {
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$type = $row->getName();
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if (strcmp('table-row', $type)) {
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continue;
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}
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[$tempRow, $col_names, $col_count] = $this->iterateOverColumns(
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$row,
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$col_names_in_first_row,
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$tempRow,
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$col_names,
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$col_count
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);
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/* Find the widest row */
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if ($col_count > $max_cols) {
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$max_cols = $col_count;
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}
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/* Don't include a row that is full of NULL values */
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if (! $col_names_in_first_row) {
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if ($_REQUEST['ods_empty_rows'] ?? false) {
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foreach ($tempRow as $cell) {
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if (strcmp('NULL', (string) $cell)) {
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$tempRows[] = $tempRow;
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break;
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}
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}
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} else {
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$tempRows[] = $tempRow;
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}
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}
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$col_count = 0;
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$col_names_in_first_row = false;
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$tempRow = [];
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}
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return [$tempRow, $col_names, $max_cols, $tempRows];
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}
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/**
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* @param array|SimpleXMLElement $sheets Sheets of the spreadsheet.
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||
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*
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||
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* @return array|array[]
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||
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*/
|
||
|
|
private function iterateOverTables($sheets): array
|
||
|
|
{
|
||
|
|
$tables = [];
|
||
|
|
$max_cols = 0;
|
||
|
|
$col_count = 0;
|
||
|
|
$col_names = [];
|
||
|
|
$tempRow = [];
|
||
|
|
$tempRows = [];
|
||
|
|
$rows = [];
|
||
|
|
|
||
|
|
/** @var SimpleXMLElement $sheet */
|
||
|
|
foreach ($sheets as $sheet) {
|
||
|
|
$col_names_in_first_row = isset($_REQUEST['ods_col_names']);
|
||
|
|
|
||
|
|
[$tempRow, $col_names, $max_cols, $tempRows] = $this->iterateOverRows(
|
||
|
|
$sheet,
|
||
|
|
$col_names_in_first_row,
|
||
|
|
$tempRow,
|
||
|
|
$col_names,
|
||
|
|
$col_count,
|
||
|
|
$max_cols,
|
||
|
|
$tempRows
|
||
|
|
);
|
||
|
|
|
||
|
|
/* Skip over empty sheets */
|
||
|
|
if (count($tempRows) == 0 || count($tempRows[0]) === 0) {
|
||
|
|
$col_names = [];
|
||
|
|
$tempRow = [];
|
||
|
|
$tempRows = [];
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Fill out each row as necessary to make
|
||
|
|
* every one exactly as wide as the widest
|
||
|
|
* row. This included column names.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Fill out column names */
|
||
|
|
for ($i = count($col_names); $i < $max_cols; ++$i) {
|
||
|
|
$col_names[] = $this->import->getColumnAlphaName($i + 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Fill out all rows */
|
||
|
|
$num_rows = count($tempRows);
|
||
|
|
for ($i = 0; $i < $num_rows; ++$i) {
|
||
|
|
for ($j = count($tempRows[$i]); $j < $max_cols; ++$j) {
|
||
|
|
$tempRows[$i][] = 'NULL';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Store the table name so we know where to place the row set */
|
||
|
|
$tbl_attr = $sheet->attributes('table', true);
|
||
|
|
$tables[] = [(string) $tbl_attr['name']];
|
||
|
|
|
||
|
|
/* Store the current sheet in the accumulator */
|
||
|
|
$rows[] = [
|
||
|
|
(string) $tbl_attr['name'],
|
||
|
|
$col_names,
|
||
|
|
$tempRows,
|
||
|
|
];
|
||
|
|
$tempRows = [];
|
||
|
|
$col_names = [];
|
||
|
|
$max_cols = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
return [$tables, $rows];
|
||
|
|
}
|
||
|
|
}
|